Ink cartridge



FIG. 1 is a perspective view of an ink cartridge, as viewed from the front, bottom and left side, embodying my new design;

FIG. 2 is a perspective view thereof, as viewed from the front, top and left side;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is an enlarged view of the area A–A′ and B–B′ in FIG. 3.

The portions shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an ink cartridge, as shown and described. 